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NB681GD Datasheet(PDF) 11 Page - Monolithic Power Systems

Part # NB681GD
Description  28V, 6A, Low Iq, High Current Synchronous Buck Converter with 2-Bit VID
PDF  23 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

NB681GD Datasheet(HTML) 11 Page - Monolithic Power Systems

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NB681- 28V, 6 A, HIGH-CURRENT SYNCHRONOUS BUCK CONVERTER WITH 2-BIT VID
NB681 Rev. 1.04
www.MonolithicPower.com
11
12/28/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
FUNCTIONAL BLOCK DIAGRAM
Control
Logic
On-Time
One Shot
Fault
Logic
Soft Start
POR &
Reference
130% Vref
OVP
OC Limit
POK
UVP-2
Min off time
VOUT
90% Vref
50% Vref
VOUT
VIN
SW
BSTREG
VIN
BST
SW
PGND
PG
3V3
Output
Discharge
VIN
VOUT
DC Error
Correction
+
+
Vout
REF
Vref
Vout
EN
AGND
LP#
MODE
REF
Control
C1
C0
UVP-1
75% Vref
MODE
Figure 1—Functional block diagram



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